zope: simplify forwarding of template parameter for binary symlinks

stack/erp5/buildout.cfg

@@ -203,7 +203,7 @@ md5sum = 564006953b7d7a12d40a14b6648b32f0
 # XXX: "template.cfg" is hardcoded in instanciation recipe
 filename = template.cfg
 template = ${:_profile_base_location_}/instance.cfg.in
-md5sum = d686512d2dbb2ec5e3b2526e86d250e5
+md5sum = d9d49e84a527bf1ec8f856bc7bcb7b09
 extra-context =
     key zope_binary_links template-zope:binary-links
     key apache_location apache:location
@@ -278,7 +278,7 @@ md5sum = 8453652206eac7b165c86cf236b87cbf
 [template-zope]
 < = download-base
 filename = instance-zope.cfg.in
-md5sum = a2a2d830124c839aefc6739353cb3f66
+md5sum = d8ac9f7ac15359e64763e3b3891655a9
 binary-links =
   ${coreutils:location}/bin/basename
   ${coreutils:location}/bin/cat

stack/erp5/instance-zope.cfg.in

@@ -74,10 +74,7 @@ ca-crl = ${:test-ca-dir}/crl
 [binary-link]
 recipe = slapos.cookbook:symbolic.link
 target-directory = ${directory:bin}
-link-binary =
-{%- for bin in parameter_dict['binary-links'].splitlines() %}
-  {{ bin }}
-{%- endfor %}
+link-binary = {{ dumps(parameter_dict['binary-links']) }}
 
 [certificate-authority-common]
 requests-directory = ${directory:requests}

stack/erp5/instance.cfg.in

@@ -132,9 +132,7 @@ buildout-bin-directory = {{ buildout_bin_directory }}
 6tunnel = {{ sixtunnel_location }}
 dash = {{ dash_location }}
 jsl = {{ jsl_location }}
-binary-links =
-{%- for path in zope_binary_links.splitlines() %}  {{ path }}
-{% endfor %}
+binary-links = {{ dumps(zope_binary_links) }}
 
 [dynamic-template-zope]
 < = jinja2-template-base